631163330 has 32 divisors (see below), whose sum is σ = 1308635136. Its totient is φ = 214691904.

The previous prime is 631163303. The next prime is 631163363. The reversal of 631163330 is 33361136.

631163330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 631163330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26609 + ... + 44388.

It is an arithmetic number, because the mean of its divisors is an integer number (40894848).

Almost surely, 2^631163330 is an apocalyptic number.

631163330 is an abundant number, since it is smaller than the sum of its proper divisors (677471806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631163330 is a wasteful number, since it uses less digits than its factorization.

631163330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71138.

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 631163330 is about 25122.9641961294. The cubic root of 631163330 is about 857.7892243467.

The spelling of 631163330 in words is "six hundred thirty-one million, one hundred sixty-three thousand, three hundred thirty".